THE INTERNET PRESENTED BY: SOMYA VERMA K.V. RAU, PUSA CLASS-VIII
The Internet • The internet is a giant network of computers that allows people all over the world to communicate quickly. Messages and information are sent via cable or satellite. Computers can be connected to the “NET” via the telephone network, or by separate cable and satellite links . • Two features of the internet are electronic mail, or email, and the world wide web (www) ,a vast store of informations.
Linking and Looking up • Most PC’s connect to a service provider , or local gateway to the internet, via the telephone. Some televisions also have internet access. • By using a browser programme , or electronic index, people can find data on computers around the world.
World Wide Web • Most information on the internet is published in the form of website coded files, or pages, stored on a computer called a server. • Every web page has its own location on the world wide web and links to other websites. The symbol of Internet
Surf And Chat • Cyber cafes let people log on, or sign on, to the internet and use the latest computer equipment for a small charge. • Customers can enjoy food and drink as they “surf” the world wide web (www) and check their existing e-mail accounts.
Amazing Facts • The internet started in u.s. in 1969 as a military system designed to work even in the event of a nuclear war. • It came into general use only in the 1990s, and now dose not belong to anyone.
Internet Language • Internet surfers use a lot of special symbols and terms. Some are needed for technical reasons. Others make the net easier to use or are just fun. • @- E-mail addresses always have this symbol, meaning “at” followed by a users location.
http- meaning hypertext transfer protocol: these are the rulers that make the World Wide Web (www) work. • :-)- this makes more sense if you look at it from the side- it means “happy”. • WWW- most websites addresses contain these initials, which stand for World Wide Web.
Some Important Points • Uniform Resource Location (URL) tells the browsers the “address” of the information. • Browser program allows users to access documents on the World Wide Web. • Information can be download, or copied on to a PC. • Videophone to other web users.
Electronic mail (e-mail) is a fact and easy way to sent messages to people. • Shopping and banking can be carried out over the internet using a PC. • News and entertainment are found on many different websites.